Summary
It was discovered that Dovecot incorrectly handled a large number of
address headers. A remote attacker could possibly use this issue to cause
Dovecot to consume resources, leading to a denial of service.
(CVE-2024-23184)
It was discovered that Dovecot incorrectly handled very large headers. A
remote attacker could possibly use this issue to cause Dovecot to consume
resources, leading to a denial of service. (CVE-2024-23185)
Fixed packages 2
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 20.04 LTS 20.04:LTS | dovecot | 1:2.3.7.2-1ubuntu3.7 |
| Ubuntu · 22.04 LTS 22.04:LTS | dovecot | 1:2.3.16+dfsg1-3ubuntu2.4 |
Vulnerabilities 2
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High 7.5
Very large headers can cause resource exhaustion when parsing message. The message-parser normally reads reasonably siz…
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Medium 5.0
Having a large number of address headers (From, To, Cc, Bcc, etc.) becomes excessively CPU intensive. With 100k header …